Ratchet-wrench.



UNITED STATES PATENT OFFICE.

GEORGEH. YOUNG, OF WELCOME, WISCONSIN, ASSIGNORITO ABRAHAM 'LORENZE, OFSTEVENS POINT, WISCONSIN.

RATCHET-WRENCH.

Specification of Letters Patent.

Patented Oct. 23, 1906.

Application filed October 23,1905. Serial No. 283,895.

To all whom it may concern: 7

Be it known that I, GEORGE H. YOUNG, a citizen of the United States, anda resident of Welcome, in the county of Outagamie and State ofWisconsin, have invented a new and useful Improvement inRatchet-Wrenches, of which the following is a specification. Myinventionrelates to a ratchet-wrench for general use'in machine-sho sand upon all descriptions of machines, bot as a wrench and for tappingthreads in not. easilyv accessible places in machinery and for cuttingthreads upon bolts in such places, and it is further fitted for use as asocket-wrench.

It consists of 'a cogged wheel revoluble Within a groove in a suitableholder consisting of two similar pieces which are clamped together bymeans of a band or bands, said wheel being provided with a centralperforation for fitting a nut or shank of the thing to be turned or forcutting a thread if for use as a die, said two-part holder having each ashank extending outward a suitable distance for the connection therewithof a handle,

'the handle being pivoted to the shanks of said two-part holder so as tobe turned into a position at right angles with the holder for its use asa socket-wrench, a spring-actuated pawl being arranged in the holder forengagment with the teeth of said wheel and producing a ratchet actionthereof, the mechanism being illustrated in the accompanying drawings,in which Figure 1 is a plan of the Wrench. Fi 2'is a side view of thewrench. Fig. 3 is a p an of 1 a screw-cutting die adapted for use withsaid wrench. Fig. 4 is an edge view of a band or clamp for holding thetwo-part holder to- 'gether. Fig. 5 is a plan of the pivot-pin side ofone part of the holder.

which connects the two-part-holder shanks with the handle. Fig. 6 is aplan in section of the two parts of the holder with the cogged wheel inposition therein and showing the engagement of the pawl with the teethof the wheel. Fig. 7 is an edge View of the out- Fig. 8 is an edge viewof the inside of one part of the holder. Fig. 9 is a plan of the pawl.Fig. 10 is an edge view of the'engaging end of the pawl. Fig .11 is asection through the holdererforation for receiving the pawl within theholder thereof. Figs. 6 to 11, inclusive, are upon a larger scale thanthe previous ones.

Similar numerals indicate like'parts-in the several views.

1 indicates the wrench-handle; 2, duplicate holders having rectangularshanks 2 and 2 8 and 3*, bands for clamping said holder together; 4, apin having athread 4 and head 4 5 5, a nut-socket and a screw-cuttingdie, respectively, for fitting within the v pin 18, the straight facebeing for engaging with the teeth 10 and the curved back for allowingsaid teeth to slide over the catch without becoming engaged therewith.The collar 15 is for preventing the catch from receding too far from theteeth 10 and between which and the shoulder 19 of the pawl-socket 20 aspring 21 is mounted.

The bosses 17 are for holding the dog or catch 12 out of engagement withthe teeth 10 the holder-pieces having a circular perforation into thesocket 20, at each side of which perforation grooves 22 are provided,into which the bosses are fitted to enter andallow the pawl-pin to slidefreely, its sliding outaround. By pul ing the pin outward and turning itone-quarter around upon the righthand side of the holder the catch uponthe left-hand side when in engagement with the teeth 10 of thenut-socket will allow the screwing on of a right-hand-threaded nut, andupon the throwing of the catch upon the lefthand out of and the one uponthe right into en agement said nut can be turned off of its bo t. Thepin 18 is only for pulling the catch out of and throwing it intoengagement with the teeth 10. The spring 21 acts to throw the catch intoengagement with the teeth 10.

The form of the holder-pieces 2 is shown in Fig. 11, the ends of thecurved part extending beyond the center of their inner curve,

and Within which curve the groove 23 is formed and into which the outeredges of the nut-socket, screw-cutting die, &c., are fitted tion.

to enter and operate. The pawl-socket 20 and boss-grooves 22 are alsoshown in said figure.

The operation of the wrench will be obvious to any mechanic without afurther description, as the wrench consists of few parts, which aresimple in construction and opera- Having described my invention, what Iclaim, and desire to secure by Letters Patent,

cate holders for securing them-together, a

spring-actuated pawl arranged in each of said duplicate holders forengaging with the outer circumference of the aforesaid die or toolholder, and for being held out of engagement therewith at will, a handlepivoted to the shanks of said duplicate holders and being adapted to beswung around at right angle with said shanks, and a second cla1np fittedto the shanks of said duplicate holders outside of the first-named clampand covering the oint of the handle and shanks sufficiently for holdingsaid handle parallel with the shanks of said holder, and a pin for thejoint of said handle and shanks arranged to pass through the shanks ofsaid hold er and to extend outside thereof sufliciently for retainingthe clamping-bands upon said shanks, 40

substantially as described.

GEO. H. YOUNG.

Witnesses:

GEORGE JORGE, F. W. RArsLER.

